Answering Questions About Vitamin D Supplementation and Sun Exposure in Patients Who Have Undergone Surgery for Stage IB, Stage II, or Stage IIIA Melanoma
Conditions
Interventions
- GENETIC: gene expression analysis
- GENETIC: mutation analysis
- GENETIC: polymorphism analysis
- OTHER: laboratory biomarker analysis
- OTHER: questionnaire administration
Sponsor
Leeds Cancer Centre at St. James's University Hospital